Know who you're buying from
See where each maker is based, how long it has built engine control units (ECUs), what its tuning software costs, and every unit it sells.
AEM Performance Electronicssince 19875 ECUs · 13 plug-in fitments
DIYAutoTuneGainesville, Georgia, USA · since 20044 ECUsfrom US$325 list price
ECUMASTER Sp. z o.o.Modlnica, Poland · since 20096 ECUs · 129 plug-in fitmentsfrom US$999 list price
Emtron Australia Pty LtdAustralia · since 201319 ECUs · 25 plug-in fitmentsfrom US$1,415 list price
FuelTechPorto Alegre, Brazil · since 20036 ECUsfrom US$999 list price
Haltech Engine Management SystemsWetherill Park, NSW, Australia · since 198625 ECUs · 193 plug-in fitmentsfrom US$935 list price
Holley Inc.Nashville, Tennessee, USA · since 19034 ECUsfrom US$1,600 list price
Link Engine Management LtdChristchurch, New Zealand · since 199152 ECUs · 127 plug-in fitmentsfrom US$995 list price
Maxxtuning ABVrigstad, Sweden · since 200710 ECUs · 133 plug-in fitmentsfrom US$708 list price
MoTeC Pty LtdClayton, Victoria, Australia10 ECUs · 30 plug-in fitmentsfrom US$2,395 list price
rusEFIChicago, Illinois, USA · since 20124 ECUs · 17 plug-in fitmentsfrom US$275 list price
SpeeduinoSpeeduinosince 20133 ECUsfrom US$155 list price
Syvecs LtdFarnborough, Hampshire, United Kingdom · since 200712 ECUs · 111 plug-in fitmentsfrom US$2,599 list price